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Audio-visual aids (AV) or devices or technological media are added devices that help the teacher to clarify, establish, co-relate and co-ordinate accurate concepts, interpretations and appreciations and enable the learner to make learning more concrete, effective, interesting, inspirational, meaningful and vivid.
Audio-visual aids are used to improve teaching, i.e. to increase the concreteness, clarity and effectiveness of the ideas and skills being transferred. They enable the audience to LOOK, LISTEN and LEARN (by doing); to learn faster, to learn more, to learn thoroughly and to remember longer.
According to an old Chinese proverb the importance of AV Aids is indicated by the saying that “if I hear I forget, if I see I remember, if I do I know.”
The audio-visual aids help in completing the triangular process of learning, motivation, clarification-stimulation.
The aim of technological media is clearing the channel between the learner and the things that are worth learning. The basic assumption underlying Audio-Visual Aids is that learning and clear understanding-stems from sense of experience. The teacher must ‘show’ as well as ‘tell’. Audio –Visual aids provide significant gains in informational learning, retention, recall, thinking, reasoning, activity, interest, imagination, better assimilation, personal growth and development. The aids are the stimuli for learning ‘why’, ‘how’, ‘when’ and ‘where’. The ‘hard to understand principles are usually made clear by the intelligent use of skillfully designed instructional aids.
It must be remembered that Audio-visual aids can only supplement the teacher but can never supplant the teacher!
